19862999

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 24192000

約数和(自身を除く): 4329001

約数列:

[1, 13, 19, 29, 47, 59, 247, 377, 551, 611, 767, 893, 1121, 1363, 1711, 2773, 7163, 11609, 14573, 17719, 22243, 25897, 32509, 36049, 52687, 80417, 336661, 422617, 684931, 1045421, 1527923, 19862999]

約数ペア:

[(1, 19862999), (13, 1527923), (19, 1045421), (29, 684931), (47, 422617), (59, 336661), (247, 80417), (377, 52687), (551, 36049), (611, 32509), (767, 25897), (893, 22243), (1121, 17719), (1363, 14573), (1711, 11609), (2773, 7163)]